Limits on the masses of supersymmetric particles at √s = 189 GeV

Christopher Parkes; P. Abreu; W. Adam; T. Adye; P. Adzic; I. Ajinenko; Z. Albrecht; T. Alderweireld; G. D. Alekseev; R. Alemany; T. Allmendinger; P. P. Allport; S. Almehed; U. Amaldi; N. Amapane; S. Amato; E. G. Anassontzis; P. Andersson; A. Andreazza; S. Andringa; P. Antilogus; W. D. Apel; Y. Arnoud; B. Åsman; J. E. Augustin; A. Augustinus; P. Baillon; A. Ballestrero; P. Bambade; F. Barao; G. Barbiellini; R. Barbier; D. Y. Bardin; G. Barker; A. Baroncelli; M. Battaglia; M. Baubillier; K. H. Becks; M. Begalli; A. Behrmann; P. Beilliere; Yu Belokopytov; N. C. Benekos; A. C. Benvenuti; C. Berat; M. Berggren; L. Berntzon; D. Bertrand; M. Besancon; M. S. Bilenky; M. A. Bizouard; D. Bloch; H. M. Blom; M. Bonesini; M. Boonekamp; P. S L Booth; G. Borisov; C. Bosio; O. Botner; E. Boudinov; B. Bouquet; C. Bourdarios; T. J V Bowcock; I. Boyko; I. Bozovic; M. Bozzo; M. Bracko; P. Branchini; R. A. Brenner; P. Bruckman; J. M. Brunet; L. Bugge; T. Buran; B. Buschbeck; P. Buschmann; S. Cabrera; M. Caccia; M. Calvi; T. Camporesi; V. Canale; F. Carena; L. Carroll; C. Caso; M. V. Castillo Gimenez; A. Cattai; F. R. Cavallo; Ph Charpentier; P. Checchia; G. A. Chelkov; R. Chierici; P. Chliapnikov

doi:10.1016/S0370-2693(00)00888-1

Limits on the masses of supersymmetric particles at √s = 189 GeV

Christopher Parkes, P. Abreu, W. Adam, T. Adye, P. Adzic, I. Ajinenko, Z. Albrecht, T. Alderweireld, G. D. Alekseev, R. Alemany, T. Allmendinger, P. P. Allport, S. Almehed, U. Amaldi, N. Amapane, S. Amato, E. G. Anassontzis, P. Andersson, A. Andreazza, S. AndringaP. Antilogus, W. D. Apel, Y. Arnoud, B. Åsman, J. E. Augustin, A. Augustinus, P. Baillon, A. Ballestrero, P. Bambade, F. Barao, G. Barbiellini, R. Barbier, D. Y. Bardin, G. Barker, A. Baroncelli, M. Battaglia, M. Baubillier, K. H. Becks, M. Begalli, A. Behrmann, P. Beilliere, Yu Belokopytov, N. C. Benekos, A. C. Benvenuti, C. Berat, M. Berggren, L. Berntzon, D. Bertrand, M. Besancon, M. S. Bilenky, M. A. Bizouard, D. Bloch, H. M. Blom, M. Bonesini, M. Boonekamp, P. S L Booth, G. Borisov, C. Bosio, O. Botner, E. Boudinov, B. Bouquet, C. Bourdarios, T. J V Bowcock, I. Boyko, I. Bozovic, M. Bozzo, M. Bracko, P. Branchini, R. A. Brenner, P. Bruckman, J. M. Brunet, L. Bugge, T. Buran, B. Buschbeck, P. Buschmann, S. Cabrera, M. Caccia, M. Calvi, T. Camporesi, V. Canale, F. Carena, L. Carroll, C. Caso, M. V. Castillo Gimenez, A. Cattai, F. R. Cavallo, Ph Charpentier, P. Checchia, G. A. Chelkov, R. Chierici, P. Chliapnikov

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Abstract

Searches for charginos, neutralinos and sleptons at LEP2 centre-of-mass energies from 130 GeV to 189 GeV have been used to set lower limits on the mass of the Lightest Supersymmetric Particle and other supersymmetric particles within the MSSM framework. R-parity conservation has been assumed. The lightest neutralino was found to be heavier than 32.3 GeV/c2 independent of the m0 value. The lightest chargino, the second-to-lightest neutralino, the next-to-heaviest neutralino, the heaviest neutralino, the sneutrino and the right-handed selectron were found to be heavier than 62.4 GeV/c2, 62.4 GeV/c2, 99.9 GeV/c2, 116.0 GeV/c2, 61.0 GeV/c2, and 87.0 GeV/c2, respectively. These limits do not depend on m0 or M2 and are valid for 1 ≤ tan β ≤ 40, in the μ region where the lightest neutralino is the LSP. If the sneutrino is heavier than the chargino the lightest neutralino has to be heavier than 32.4 GeV/c2. The effects of mixings in the third family of sfermions on these limits are discussed. The confidence level of all limits given is 95%. (C) 2000 Published by Elsevier Science B.V.

Original language	English
Pages (from-to)	38-54
Number of pages	16
Journal	Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	489
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(00)00888-1
Publication status	Published - 14 Sept 2000

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Parkes, C., Abreu, P., Adam, W., Adye, T., Adzic, P., Ajinenko, I., Albrecht, Z., Alderweireld, T., Alekseev, G. D., Alemany, R., Allmendinger, T., Allport, P. P., Almehed, S., Amaldi, U., Amapane, N., Amato, S., Anassontzis, E. G., Andersson, P., Andreazza, A., ... Chliapnikov, P. (2000). Limits on the masses of supersymmetric particles at √s = 189 GeV. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 489(1-2), 38-54. https://doi.org/10.1016/S0370-2693(00)00888-1

@article{3f5ef02e44aa4471875804cbf88f0519,

title = "Limits on the masses of supersymmetric particles at √s = 189 GeV",

abstract = "Searches for charginos, neutralinos and sleptons at LEP2 centre-of-mass energies from 130 GeV to 189 GeV have been used to set lower limits on the mass of the Lightest Supersymmetric Particle and other supersymmetric particles within the MSSM framework. R-parity conservation has been assumed. The lightest neutralino was found to be heavier than 32.3 GeV/c2 independent of the m0 value. The lightest chargino, the second-to-lightest neutralino, the next-to-heaviest neutralino, the heaviest neutralino, the sneutrino and the right-handed selectron were found to be heavier than 62.4 GeV/c2, 62.4 GeV/c2, 99.9 GeV/c2, 116.0 GeV/c2, 61.0 GeV/c2, and 87.0 GeV/c2, respectively. These limits do not depend on m0 or M2 and are valid for 1 ≤ tan β ≤ 40, in the μ region where the lightest neutralino is the LSP. If the sneutrino is heavier than the chargino the lightest neutralino has to be heavier than 32.4 GeV/c2. The effects of mixings in the third family of sfermions on these limits are discussed. The confidence level of all limits given is 95%. (C) 2000 Published by Elsevier Science B.V.",

author = "Christopher Parkes and P. Abreu and W. Adam and T. Adye and P. Adzic and I. Ajinenko and Z. Albrecht and T. Alderweireld and Alekseev, {G. D.} and R. Alemany and T. Allmendinger and Allport, {P. P.} and S. Almehed and U. Amaldi and N. Amapane and S. Amato and Anassontzis, {E. G.} and P. Andersson and A. Andreazza and S. Andringa and P. Antilogus and Apel, {W. D.} and Y. Arnoud and B. {\AA}sman and Augustin, {J. E.} and A. Augustinus and P. Baillon and A. Ballestrero and P. Bambade and F. Barao and G. Barbiellini and R. Barbier and Bardin, {D. Y.} and G. Barker and A. Baroncelli and M. Battaglia and M. Baubillier and Becks, {K. H.} and M. Begalli and A. Behrmann and P. Beilliere and Yu Belokopytov and Benekos, {N. C.} and Benvenuti, {A. C.} and C. Berat and M. Berggren and L. Berntzon and D. Bertrand and M. Besancon and Bilenky, {M. S.} and Bizouard, {M. A.} and D. Bloch and Blom, {H. M.} and M. Bonesini and M. Boonekamp and Booth, {P. S L} and G. Borisov and C. Bosio and O. Botner and E. Boudinov and B. Bouquet and C. Bourdarios and Bowcock, {T. J V} and I. Boyko and I. Bozovic and M. Bozzo and M. Bracko and P. Branchini and Brenner, {R. A.} and P. Bruckman and Brunet, {J. M.} and L. Bugge and T. Buran and B. Buschbeck and P. Buschmann and S. Cabrera and M. Caccia and M. Calvi and T. Camporesi and V. Canale and F. Carena and L. Carroll and C. Caso and {Castillo Gimenez}, {M. V.} and A. Cattai and Cavallo, {F. R.} and Ph Charpentier and P. Checchia and Chelkov, {G. A.} and R. Chierici and P. Chliapnikov",

year = "2000",

month = sep,

day = "14",

doi = "10.1016/S0370-2693(00)00888-1",

language = "English",

volume = "489",

pages = "38--54",

journal = "Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier BV",

number = "1-2",

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Parkes, C, Abreu, P, Adam, W, Adye, T, Adzic, P, Ajinenko, I, Albrecht, Z, Alderweireld, T, Alekseev, GD, Alemany, R, Allmendinger, T, Allport, PP, Almehed, S, Amaldi, U, Amapane, N, Amato, S, Anassontzis, EG, Andersson, P, Andreazza, A, Andringa, S, Antilogus, P, Apel, WD, Arnoud, Y, Åsman, B, Augustin, JE, Augustinus, A, Baillon, P, Ballestrero, A, Bambade, P, Barao, F, Barbiellini, G, Barbier, R, Bardin, DY, Barker, G, Baroncelli, A, Battaglia, M, Baubillier, M, Becks, KH, Begalli, M, Behrmann, A, Beilliere, P, Belokopytov, Y, Benekos, NC, Benvenuti, AC, Berat, C, Berggren, M, Berntzon, L, Bertrand, D, Besancon, M, Bilenky, MS, Bizouard, MA, Bloch, D, Blom, HM, Bonesini, M, Boonekamp, M, Booth, PSL, Borisov, G, Bosio, C, Botner, O, Boudinov, E, Bouquet, B, Bourdarios, C, Bowcock, TJV, Boyko, I, Bozovic, I, Bozzo, M, Bracko, M, Branchini, P, Brenner, RA, Bruckman, P, Brunet, JM, Bugge, L, Buran, T, Buschbeck, B, Buschmann, P, Cabrera, S, Caccia, M, Calvi, M, Camporesi, T, Canale, V, Carena, F, Carroll, L, Caso, C, Castillo Gimenez, MV, Cattai, A, Cavallo, FR, Charpentier, P, Checchia, P, Chelkov, GA, Chierici, R & Chliapnikov, P 2000, 'Limits on the masses of supersymmetric particles at √s = 189 GeV', Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 489, no. 1-2, pp. 38-54. https://doi.org/10.1016/S0370-2693(00)00888-1

TY - JOUR

T1 - Limits on the masses of supersymmetric particles at √s = 189 GeV

AU - Parkes, Christopher

AU - Abreu, P.

AU - Adam, W.

AU - Adye, T.

AU - Adzic, P.

AU - Ajinenko, I.

AU - Albrecht, Z.

AU - Alderweireld, T.

AU - Alekseev, G. D.

AU - Alemany, R.

AU - Allmendinger, T.

AU - Allport, P. P.

AU - Almehed, S.

AU - Amaldi, U.

AU - Amapane, N.

AU - Amato, S.

AU - Anassontzis, E. G.

AU - Andersson, P.

AU - Andreazza, A.

AU - Andringa, S.

AU - Antilogus, P.

AU - Apel, W. D.

AU - Arnoud, Y.

AU - Åsman, B.

AU - Augustin, J. E.

AU - Augustinus, A.

AU - Baillon, P.

AU - Ballestrero, A.

AU - Bambade, P.

AU - Barao, F.

AU - Barbiellini, G.

AU - Barbier, R.

AU - Bardin, D. Y.

AU - Barker, G.

AU - Baroncelli, A.

AU - Battaglia, M.

AU - Baubillier, M.

AU - Becks, K. H.

AU - Begalli, M.

AU - Behrmann, A.

AU - Beilliere, P.

AU - Belokopytov, Yu

AU - Benekos, N. C.

AU - Benvenuti, A. C.

AU - Berat, C.

AU - Berggren, M.

AU - Berntzon, L.

AU - Bertrand, D.

AU - Besancon, M.

AU - Bilenky, M. S.

AU - Bizouard, M. A.

AU - Bloch, D.

AU - Blom, H. M.

AU - Bonesini, M.

AU - Boonekamp, M.

AU - Booth, P. S L

AU - Borisov, G.

AU - Bosio, C.

AU - Botner, O.

AU - Boudinov, E.

AU - Bouquet, B.

AU - Bourdarios, C.

AU - Bowcock, T. J V

AU - Boyko, I.

AU - Bozovic, I.

AU - Bozzo, M.

AU - Bracko, M.

AU - Branchini, P.

AU - Brenner, R. A.

AU - Bruckman, P.

AU - Brunet, J. M.

AU - Bugge, L.

AU - Buran, T.

AU - Buschbeck, B.

AU - Buschmann, P.

AU - Cabrera, S.

AU - Caccia, M.

AU - Calvi, M.

AU - Camporesi, T.

AU - Canale, V.

AU - Carena, F.

AU - Carroll, L.

AU - Caso, C.

AU - Castillo Gimenez, M. V.

AU - Cattai, A.

AU - Cavallo, F. R.

AU - Charpentier, Ph

AU - Checchia, P.

AU - Chelkov, G. A.

AU - Chierici, R.

AU - Chliapnikov, P.

PY - 2000/9/14

Y1 - 2000/9/14

N2 - Searches for charginos, neutralinos and sleptons at LEP2 centre-of-mass energies from 130 GeV to 189 GeV have been used to set lower limits on the mass of the Lightest Supersymmetric Particle and other supersymmetric particles within the MSSM framework. R-parity conservation has been assumed. The lightest neutralino was found to be heavier than 32.3 GeV/c2 independent of the m0 value. The lightest chargino, the second-to-lightest neutralino, the next-to-heaviest neutralino, the heaviest neutralino, the sneutrino and the right-handed selectron were found to be heavier than 62.4 GeV/c2, 62.4 GeV/c2, 99.9 GeV/c2, 116.0 GeV/c2, 61.0 GeV/c2, and 87.0 GeV/c2, respectively. These limits do not depend on m0 or M2 and are valid for 1 ≤ tan β ≤ 40, in the μ region where the lightest neutralino is the LSP. If the sneutrino is heavier than the chargino the lightest neutralino has to be heavier than 32.4 GeV/c2. The effects of mixings in the third family of sfermions on these limits are discussed. The confidence level of all limits given is 95%. (C) 2000 Published by Elsevier Science B.V.

AB - Searches for charginos, neutralinos and sleptons at LEP2 centre-of-mass energies from 130 GeV to 189 GeV have been used to set lower limits on the mass of the Lightest Supersymmetric Particle and other supersymmetric particles within the MSSM framework. R-parity conservation has been assumed. The lightest neutralino was found to be heavier than 32.3 GeV/c2 independent of the m0 value. The lightest chargino, the second-to-lightest neutralino, the next-to-heaviest neutralino, the heaviest neutralino, the sneutrino and the right-handed selectron were found to be heavier than 62.4 GeV/c2, 62.4 GeV/c2, 99.9 GeV/c2, 116.0 GeV/c2, 61.0 GeV/c2, and 87.0 GeV/c2, respectively. These limits do not depend on m0 or M2 and are valid for 1 ≤ tan β ≤ 40, in the μ region where the lightest neutralino is the LSP. If the sneutrino is heavier than the chargino the lightest neutralino has to be heavier than 32.4 GeV/c2. The effects of mixings in the third family of sfermions on these limits are discussed. The confidence level of all limits given is 95%. (C) 2000 Published by Elsevier Science B.V.

U2 - 10.1016/S0370-2693(00)00888-1

DO - 10.1016/S0370-2693(00)00888-1

M3 - Article

SN - 0370-2693

VL - 489

SP - 38

EP - 54

JO - Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-2

ER -

Limits on the masses of supersymmetric particles at √s = 189 GeV

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